Олексій Лучко

CV

PROFESSIONAL EXPERIENCE: 

Since 01.2021 , LoopMe

Position:                            Back-end Java developer

Project Description:    Ad serving backend services, high load data processing

Responsibilities:                Java developer of back-end micro services, set up monitoring 

Used technologies:           Java 17, Spring Boot 2, Kafka, Grpc, Protobuf, ElasticSearch, Grafana, Git (Github), Spinnaker, Kubernetes

Databases:                        Clickhouse, Postgres

08.2022 - 03.2023, Statystech 

Position:                            Back-end Java developer

Project Description:    Restful API of delivery service platform

Responsibilities:                Java developer of back-end micro services

Used technologies:           Java 17, Spring Boot 2, Kubernetes, AWS, Git (AWS Code Commit)

Databases:                        MySql

09.2019 – 12.2020, Comparus UA

Position:                            Back-end Java developer

Project Description:    Back-end micro services of financial platform

Responsibilities:                Java developer of back-end micro services. 

Used technologies:           Spring Boot, REST, JPA, RabbitMQ,  Maven, Git, Camunda

Databases:                        Postgres

09.2018 – 10.2018,  LoadTestExperts (project - Circle)

Position:                            Performance test engineer (Contractor)

Project Description:    Performance testing of Web services (backend part).

Responsibilities:                Test scenario scripting, preparation of the report on results of the tests, automated report generator (Java, Spring Boot, Grafana API, Confluence API).

Tools:                                JMeter, MySql

09.2018 – 09.2019, Privat Bank

Position:                           Back-end Java developer

Project Description:         Back-end micro services of bank program complex

Responsibilities:               Java developer (pre-middle) of back-end micro services. 

Used technologies:           Spring, Hibernate, REST, RabbitMQ, iText, Maven, Git

Databases:                        Postgres

09.2017 – 11.2017,  LoadTestExperts (project - ClockInEasy)

Position:                            Performance test engineer (Contractor)

Project Description:    Performance testing of Web services (backend part).

Responsibilities:                Test scenario scripting, collecting data pools for the tests, analysis of test results, preparation of the report on results of the tests, creating SQL scripts for statistics gathering.

Tools:                                JMeter, MySql

05.2016 – 05.2018, Tonic

Position:                            Performance test engineer

Project Description:    Performance testing of Web application and services (backend part).

Responsibilities:                Collecting data pools for the tests, analysis of statistics of the system on a production environment, analysis of test results, preparation of the report on results of the tests, creating SQL scripts for statistics gathering. Develop additional tools such as log parsers, automatic report creator (Java SE).

Tools:                                MS Excel, Java, MySql, JMeter.

10.2014 – 05.2016, Luxoft

Position:                            Performance test engineer

Project Description:    Performance testing of data warehouse, java-application based on Hadoop.

Responsibilities:    Communication with customer support, collecting data pools for the tests, analysis of statistics of the system on a production environment, analysis of test results, preparation of the report on results of the tests, developing SQL scripts for statistics gathering. Take part in developing backend in Web Application (Java).

    From 08.2015 take part in development of backend part of “Data Load” framework. Used technologies: Java SE, SQL, JSON, Spring, SpringBoot, REST.

Tools:    MS Excel, Java, SQL Developer.

02.2014 – 10.2014, Homer Software House

Position:                            Stress tests development specialist (Performance test engineer)

Project Description:    Stress testing of Internet bank system, Mobile bank system, distance education system.

Responsibilities:    Communication with customer support, control settings test stands, collecting data pools for the stress tests, development of scripts for system testing, analysis of statistics of the system on a production environment, development test scenarios, analysis of test results, preparation and publication of the report on results of the tests.

Tools:    HP LoadRunner 11 (TrueClientAjax, Http - basics), Jmeter (basics), MS Access, MS Excel, Java (SE, JDBC), Confluence, Jira, Xpath, Oracle SQL.

2012 – 2014,  PrivatBank

Position:                            Senior database specialist

Project Description:    Create SQL scripts for select data from database

Responsibilities:    Building SQL queries to form data samples,   generate reports for the conference calls,   formation of final reports on the results of the direction,   build SQL queries on the formation of the customer base for communication events, calculation of the efficiency of communication events.

Tools:    Sybase IQ, Squirrel SQL, Redmine, MS Access, MS Excel, Java.

2010 – 2012,  PrivatBank

Position:                            Administrator of unified client base

Project Description:    Administration of unified client base

Responsibilities:    Communication with bank employees. Consulting of bank employees in questions about bank program modules.